#ifndef __ARR_H__
#define __ARR_H__

typedef int elm_t;

int add_elm(elm_t **p, int *n, elm_t val);

int find_elm(const elm_t *p, int n, elm_t key);

int del_elm(elm_t **p, int *n, elm_t key);

void traval(const elm_t *p, int n);

void destroy(elm_t **p);

#endif

